A group of friends travel to a secluded campsite to film a documentary. What they find is something much more sinister than they could have ever imagined.

A remote helpline volunteer is targeted by a stranger who lures women from their homes with a recording of a crying baby.

After a winter storm strands five friends in a remote cabin with no power and little food, disorientation slowly claims their sanity as each of them succumbs to a fear that the snow itself may be contaminated or somehow evil.